timestamp	ip	host	browser	uri
20190507-09:50:02	54.36.148.203	ip-54-36-148-203.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20190717-04:32:31	54.36.148.203	ip-54-36-148-203.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210528-17:42:38	54.36.148.203	ip-54-36-148-203.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt